Lennox International Inc leadership

Mr. Norris is the Founding Chairman of two philanthropic collaboratives, the Environmental Funders Network and Climate Change Funders Forum, both focused on strategically aligning resources to address climate adaptation and mitigation strategies in Maine. He contributes substantial experience and knowledge on climate risk and environmental issues, benefitting the Company in its sustainability journey, and provides organizational development insights from founding both non-profit and for-profit companies.

Ms. Quintos is the former Executive Vice President and Chief Customer Officer of Dell Technologies Inc., where she also served as Senior Vice President and Chief Marketing Officer and held other executive roles in services, support, and supply chain management. Her supervisory experience in the areas of marketing, branding, communications, sustainability, operations, and supply chain management brings broad knowledge of these issues to the Board.

Mr. Wall is the former Chief Technology Officer and Global Head of HP Labs of HP Inc., and previously served as Chief Technology Officer and Senior Vice President of Printing and Personal Systems at Hewlett-Packard Company. An experienced former Chief Technology Officer, he contributes extensive technology, AI, and cybersecurity experience, as well as meaningful experience in executive leadership and diverse business development within large global companies.

Ms. Buck is the former Chief Financial Officer of W.L. Gore & Associates Inc., and previously served as Senior Vice President and Chief Financial Officer of Waters Corporation and Vice President, Chief Financial Officer of Libbey Inc. She contributes extensive financial and leadership experience gained from her long tenure as a CFO and adds industry expertise through her positions in large global manufacturing companies.

Mr. Teske serves as Independent Board Chair and is the former Chair, President, and Chief Executive Officer of Briggs & Stratton Corporation, a manufacturer of gasoline engines for outdoor power equipment. He brings extensive executive leadership, corporate governance, and industry experience as a former manufacturing-company CEO to his service as Chair of the Board, and as a former corporate controller he contributes knowledge in the areas of finance and accounting.

Mr. Vander Ark is the President and Chief Executive Officer of Republic Services, Inc., an environmental services company, where he has held roles including Executive Vice President, Chief Operating Officer and Executive Vice President, Chief Marketing Officer. He contributes extensive strategic growth experience, operational skills, and accomplishments implementing sustainability initiatives from his executive leadership at a large publicly traded company, and developed deep expertise in marketing and sales during his prior consulting career at McKinsey & Company.

Ms. Embree is the former President of Otis Americas, a division of Otis Worldwide Corporation, and previously held leadership roles including Vice President and President of the Distribution, Components, and Turbo Technologies Businesses at Cummins Inc. The Board selected Ms. Embree to serve as a director based upon her past leadership in complex manufacturing environments and proven track record of driving strategic growth, which aligns with the Company's strategy at Lennox.

Mr. Somasundaram is the former Director, President & Chief Executive Officer of ChampionX (previously Apergy Corporation), and previously held executive leadership roles at Dover Corporation, including President and Chief Executive Officer of its Energy Segment. He brings a depth of business, executive leadership, transformative growth strategies, operational, talent development, mergers & acquisitions, and strategic development experience to the Board, and his international experience adds a valuable global perspective.

Mr. Maskara has served as President and Chief Executive Officer of Lennox International Inc. since 2022, and previously was Chief Executive Officer and Director of Luxfer Holdings PLC and President, Global Business Units of Pentair PLC. He has extensive experience in the areas of management, finance, accounting, manufacturing, and corporate governance, and as CEO he has a deep understanding of Lennox's core businesses and end market dynamics.

Mr. Quenzer has served as Executive Vice President and Chief Financial Officer since 2024. He previously served as Vice President, Financial Planning & Analysis and Investor Relations in 2023 and as Chief Financial Officer of the Commercial segment from 2016 to 2022.

Mr. Bedapudi has served as Executive Vice President, Chief Technology Officer since 2008.

Ms. Brown has served as Executive Vice President, Chief Legal Officer and Secretary since January 2025. She previously served as Vice President, Deputy General Counsel, and Assistant Secretary from 2023 to 2024; Assistant General Counsel, Securities and Assistant Secretary from 2021 to 2023; and Assistant General Counsel, Worldwide Refrigeration from 2016 to 2021.

Mr. Kosel has served as Vice President, Chief Accounting Officer and Controller since 2017.

Ms. Martin has served as Executive Vice President & President, Home Comfort Solutions since April 2025. She previously served as President, Honeywell Sensing & Safety Technologies from 2022 to 2025 and President, Honeywell Advanced Sensing Technologies from 2018 to 2022.

Mr. Nassab has served as Executive Vice President & President, Building Climate Solutions since 2022. He previously served as Vice President and General Manager, Allied Air from 2010 to 2022.

Mr. Sessa has served as Executive Vice President, Chief Human Resources Officer since 2007.